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Fix Windows Defender Login Loop After Update - Troubleshoot Command Prompt Startup Problems-How to Fix Windows Update Port Already Allocated Error

Updated 2026-06-13 19:05:13developer-tools
Fix Windows Defender Login Loop After Update - Troubleshoot Command Prompt Startup Problems-How to Fix Windows Update Port Already Allocated Error
Prepare
Execute
Validate
Document

Operational follow-up

  • Record the exact option, command, or setting that changed the result.
  • Keep a rollback note if the workflow affects shared files or team settings.

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